import java.io.IOException;
import java.io.Reader;
import java.nio.CharBuffer;
import java.util.ArrayDeque;
import java.util.Queue;
import org.jspecify.annotations.Nullable;

/**
 * A class for reading lines of text. Provides the same functionality as {@link
 * java.io.BufferedReader#readLine()} but for all {@link Readable} objects, not just instances of
 * {@link Reader}.
 *
 * @author Chris Nokleberg
 * @since 1.0
 */

import jcifs.Configuration;
import jcifs.internal.util.SMBUtil;

/**
 * SMB1 transaction subcommand for peeking at data in a named pipe.
 *
 * This class implements the TRANS_PEEK_NAMED_PIPE transaction which allows
 * reading data from a pipe without removing it, useful for checking if data
 * is available before performing a blocking read.
 */
public class TransPeekNamedPipe extends SmbComTransaction {

    private final int fid;

    /**

import okio.ByteString.Companion.encodeUtf8

object Http2 {
  @JvmField
  val CONNECTION_PREFACE = "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n".encodeUtf8()

  /** The initial max frame size, applied independently writing to, or reading from the peer. */
  const val INITIAL_MAX_FRAME_SIZE = 0x4000 // 16384

  const val TYPE_DATA = 0x0
  const val TYPE_HEADERS = 0x1
  const val TYPE_PRIORITY = 0x2
  const val TYPE_RST_STREAM = 0x3

  /**
   * Writes all the bytes from the given {@code InputStream} to this sink. Does not close {@code
   * input}.
   *
   * @return the number of bytes written
   * @throws IOException if an I/O occurs while reading from {@code input} or writing to this sink
   */
  @CanIgnoreReturnValue
  public long writeFrom(InputStream input) throws IOException {
    checkNotNull(input);

    try (OutputStream out = openStream()) {

  /**
   * Writes all the bytes from the given {@code InputStream} to this sink. Does not close {@code
   * input}.
   *
   * @return the number of bytes written
   * @throws IOException if an I/O occurs while reading from {@code input} or writing to this sink
   */
  @CanIgnoreReturnValue
  public long writeFrom(InputStream input) throws IOException {
    checkNotNull(input);

    try (OutputStream out = openStream()) {

        SMB1SigningDigest.writeUTime(mockConfig, testTime, dst, 0);

        int expectedSeconds = (int) (testTime / 1000L);
        int actualSeconds = SMBUtil.readInt4(dst, 0);
        assertEquals(expectedSeconds, actualSeconds);

        // Test when current time is in DST but test time is not
        when(mockTimeZone.inDaylightTime(any(Date.class))).thenReturn(true) // current time

    public AvFlags(final int flags) {
        this(encode(flags));
    }

    /**
     * Gets the flags as an integer value
     * @return flags
     */
    public int getFlags() {
        return SMBUtil.readInt4(this.getRaw(), 0);
    }

    private static byte[] encode(final int flags) {
        final byte[] raw = new byte[4];
        SMBUtil.writeInt4(flags, raw, 0);
        return raw;
    }

        assertEquals(expectedTimestamp, avTimestamp.getTimestamp());
    }

    /**
     * Test getTimestamp method with a negative timestamp (though timestamps are usually positive).
     * This tests the underlying SMBUtil.readInt8 behavior.
     */
    @Test
    public void testGetTimestampNegative() {
        long expectedTimestamp = -1L; // Represents all bits set to 1 for an 8-byte long
        byte[] rawBytes = new byte[8];

            // Assert: message is meaningful
            assertEquals("Structure size is not 4", ex.getMessage());
        }

        @Test
        @DisplayName("Null buffer leads to NullPointerException from readInt2")
        void nullBuffer_throwsNPE() {
            // Arrange
            Smb2LogoffResponse resp = newResponse();

            // Act & Assert

        return 0;
    }

    @Override
    int readParametersWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        length = readInt4(buffer, bufferIndex);
        return 4;
    }

    @Override
    int readDataWireFormat(final byte[] buffer, int bufferIndex, final int len) {
        final int start = bufferIndex;

        if (errorCode != 0) {